Cover for a fireproof door lock



FIG. 1 is a perspective view of a cover for a fireproof door lock showing my design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left elevational view thereof;

FIG. 5 is a right elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a cover for a fireproof door lock, as shown and described. 